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Master Spa Temp Sensors & Pressure Switches

We carry the complete line of replacement Master Spa temperature sensors and pressure switches, in stock and ready to ship immediately! Every Master Spa temperature sensor we sell is a factory-direct OEM replacement part, backed by the same high quality manufacturing as your Master Spa.

For help determining which Master Spa sensors you need for your spa, call our Customer Service team today at (855) 308-2149.

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  1. picture of tool tip icon

    The 12-inch A&B M7 Temp/High Sensor is a replacement sensor for several Spa models including the Clarity, Down East, Contractor, Freedom, Getaway, H2X Swim Spas, Healthy Living Hot Spas, Legacy Whirlpool, Legend Series Master Spas, Michael Phelps Swim Spas and Twilight Series Spas. If you don’t see your model listed, it may still work – so please give our customer service a call!

    master spa temperature gague
  2. picture of tool tip icon

    The Sensor, 24” x ¼” F/560 M7 is a high limit temp replacement sensor for the MAS560 sensor found in most Down East and Legend Series Master Spas.

    Don’t let a broken sensor prevent you from your enjoying your spa when you want to.

    High temperatur sensor for MAS560
  3. picture of tool tip icon

    This product is a pressure switch assembly specifically designed to go with select Down East and Legend Series Master Spas. If you don’t see your model listed, it may still work – so please give our customer service a call!

    pressure switch assembly part
  4. picture of tool tip icon

    The sensor assembly is specifically designed to go with Down East Spas and Legend Series Master Spas (select 1996-1999 models). It is a replacement for Balboa Dual Sensor Assembly with Temperature and Hi-Limit Sensor. Compatible with all Balboa systems that use this type of sensor.

    Sensor Assembly
    $70.86
  5. picture of tool tip icon

    The pressure switch - MAS400 - is specifically designed to replace the original pressure switches in the Legend Series Master Spas 2000 CS models. Control the water pressure in your spa with the right part.

    Pressure Switch - MAS400
  6. picture of tool tip icon

    Temperature Sensor Mount. Used in older style Master Spas to secure the flow sensor to the spa. A new mount should always be installed when you are replacing your spa sensor unit.

    This mount should fit with most sensors.

    Temperature Sensor Mount
  7. picture of tool tip icon

    The pressure switch in your spa controls the water pressure in your spa. The pressure switch harness is a replacement part for the original pressure switch harness that allows the pressure switch to be connected to the controls of your spa.

    pressure switch harness for spa
  8. picture of tool tip icon

    Designed specifically for the Legend Series Master Spas and the Michael Phelps Swim Spas starting with the 2014 model, the Temperature Sensor Mount is a replacement part that will fit the temperature sensor (SKU : 801821). If you don’t see your model listed, it may still work – so please give our customer service a call!

    tmperature sensor mount
  9. picture of tool tip icon

    Designed specifically for 2015 Michael Phelps Swim Spas this sensor is a replacement for the sensor in your spa’s heating system allowing you to control the heat of your spa from the external control panel. If you don’t see your model listed, it may still work – so please give our customer service a call!

    sensor cord for hot tub
  10. picture of tool tip icon

    Ozone Photo Sensor 

    Ozone photo replacement sensor
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